Ghosh said cybersecurity questions are no longer an exotic topic focusing primarily on spam messages and personal computers but have started to impact on the national security and defence capability of a country.

Rikshit Tandon, consultant at Internet and Mobile Association of India (IAMAI) and advisor to the Cyber Crime Unit of the Uttar Pradesh Police, said: "Cyberterrorism is a grave threat not only to India but to the world."

"It can come to any country and, yes, proactive measures by government and consortium of countries needs to be taken as a collective effort and policy since internet has no geographical boundaries," Tandon told IANS.

Experts say the country spends a small amount of money on cybersecurity. The budget allocation towards cybersecurity was Rs 42.2 crore ($7.76 million) for 2012-13, as against Rs 35.45 crore in 2010-11.

In comparison, the US spends several billion dollars through the National Security Agency, $658 million through the Department of Homeland Security and $93 million through US-CERT in 2013.

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